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Question
Find the value A, given that the line passing through the points (2,3) and (A,-1) is parallel to the line with slope -2.
Find the value A, given that the line passing through the points (2,3) and (A,-1) is parallel to the line with slope -2.
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Solution
The correct option is B 4
Slope =−2=−21
x
y
2
3
A
-1
The line passing through the given points is parallel to the line having slope as -2.
−2=−1−3A−2
−2=−4A−2
1=2A−2
A−2=2
A=4
Slope =−2=−21
| x | y |
| 2 | 3 |
| A | -1 |
The line passing through the given points is parallel to the line having slope as -2.
−2=−1−3A−2
−2=−4A−2
1=2A−2
A−2=2
A=4
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